ArticleEmerging microbes & infections2018
Comparison of the genotypic and phenotypic properties of HIV-1 standard subtype B and subtype B/B' env molecular clones derived from infections in China.
Article in Emerging microbes & infections, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Female Sex Hormones Upregulate the Replication Activity of HIV-1 Sub-Subtype A6 and CRF02_AG but Not HIV-1 Subtype B.Pathogens (Basel, Switzerland) · 2023Article
- Evaluation of a Novel In-house HIV-1 Genotype Drug Resistance Assay using Clinical Samples in China.Current HIV research · 2022Article
- HIV-1 pseudoviruses constructed in China regulatory laboratory.Emerging microbes & infections · 2020Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although a number of standardized human immunodeficiency virus 1 (HIV-1) pseudoviruses have been generated to assess neutralizing antibodies, subtype B/B' has not been comprehensively characterized either genotypically or phenotypically. Full-length env genes were isolated from plasma samples derived from B/B'-infected individuals, including former plasma donors and men who had sex with men. The neutralization properties of these pseudoviruses were determined by testing against sCD4, 16 neutralizing monoclonal antibodies and 44 plasma samples, including samples from those infected with the three major prevalent clades in China. Twenty-eight pseudoviruses were successfully constructed, including 15 B' and 13 B strains. Compared with subtype B strains from North America and Europe, the B' strains from China showed greater variation in the V3 loop and higher susceptibility to the neutralizing antibody 2F5 and B/B' plasma samples. The B' strains from China showed significantly lower susceptibility to some trimer apex-binding neutralizing antibodies (PGT145, CH01, CH02, CH03, and CH04) than the B strains from Western countries. The 28 B-pseudotyped and B'-pseudotyped viruses were grouped into high, medium, and low clusters based on their overall neutralization sensitivity to plasma samples. The different genotypic and phenotypic properties of the standard subtype B from those of the Western viruses compared to the B and B' strains from China suggest that clones from HIV-1-infected individuals in China are more suitable for the evaluation of candidate vaccines targeting the subtype B/B' viruses circulating in China.
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